| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/12/09 | 5 | 20 | CRO | S25E34 | |
| 2025/12/10 | 10 | 70 | DAI | S25E20 | |
| 2025/12/11 | 8 | 140 | DAO | S25E06 | |
| 2025/12/12 | 12 | 130 | DAI | S25W09 | |
| 2025/12/13 | 3 | 80 | HAX | S25W18 |
| C |
|---|
| 3 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.7 | 2025/12/09 | 22:32 | 22:38 | 22:43 | |
| 2 | C3.4 | 2025/12/10 | 14:55 | 15:05 | 15:14 | |
| 3 | C2.4 | 2025/12/11 | 23:35 | 23:45 | 23:53 |
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/12 | M1.1 |
| Last geomagnetic storm | 2025/12/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 150 +58.2 |
| Last 30 days | 108.8 +10.3 |